Lewis’s worldview was internally consistent. He couldn’t bring himself to look upon government as God, a substitute for God, or a reasonable facsimile of God. Government was composed of imperfect mortals, period.
Source: C.S. Lewis Saw Government as a Poor Substitute for God - Foundation for Economic Education
I always loved the Narnia books by C.S. Lewis when I was a kid. It wasn't until much later that I learned that he was a friend of my favorite author J.R.R. Tolkien and wrote on broader subjects...or at least in a more direct way about them. This was before the internet was available after all.